Another major US bank is set to start trading in Bitcoin, despite recent steep falls in the cryptocurrency, Wells Fargo said on Wednesday it would introduce professionally-managed funds for its more wealthy clients. In a report, its investment institute said the risks associated with digital currencies meant it would favour "qualified investors". It came as the price of Bitcoin fell 22% after China said it was imposing fresh curbs on the cryptocurrency. It took the value of the digital coin below $34,000 (£24,030) for the first time in three months on Wednesday, spurring a sell-off of other digital currencies. (full story)